Peptilex – The Peptide Encyclopedia
- 34 peptides – from semaglutide to BPC-157 – in one book
- An evidence grade (A–E) and the key studies for every peptide
- Where each one stands in 2026 – US, EU and Switzerland
Peptides A–Z
34 peptides with evidence grade, research volume and registered trials – 10 tracked in depth every week.
Tracked weekly
Headline result, evidence grade, papers and trials – updated weekly.
- RetatrutideWeight · Metabolism25%average weight loss over 80 weeks · TRIUMPH-1207papers10RCTs32trials10ongoingB
- TirzepatideWeight · Diabetes20.2%weight loss vs 13.7% on semaglutide · SURMOUNT-52,637papers134RCTs189trials115ongoingA
- SemaglutideWeight · Heart · Kidney20%fewer heart attacks and strokes · SELECT5,707papers311RCTs477trials168ongoingA
- CagriSema (cagrilintide)Weight20.4%average weight loss over 68 weeks · REDEFINE 1121papers15RCTs40trials17ongoingB
- BPC-157Healing · Gut100+animal studies report faster tissue healing226papers0RCTs2trials1ongoingD
- TB-500 / thymosin beta-4Healing · Eye6 of 10corneas fully healed vs 1 of 8 on placebo · SEER-1629papers5RCTs16trials2ongoingDB
- GHK-Cu (copper peptide)Skin · Wounds98.5%median wound closure vs 60.8% · diabetic foot ulcers178papers1RCTs1trials1ongoingC
- MOTS-cMetabolism · Mitochondria88participants in a completed randomized trial of the analogue CB4211264papers4RCTs2trials1ongoingD
- EpitalonLongevity20–40%longer mean lifespan in rodent studies141papers0RCTs0trials0ongoingD
- Thymosin alpha-1Immune30+countries where it is approved (Zadaxin)622papers39RCTs39trials11ongoingB
All peptides
Grouped by topic – every page shows the evidence grade, the research volume and registered trials.
Weight & metabolism
- CAOD-9604Modified fragment of human growth hormone (amino acids 177–191)
- BCagriSema (cagrilintide)TrackedAnalogues of the pancreatic hormone amylin
- ALiraglutideGLP-1 receptor agonist (daily)
- APramlintideAnalogues of the pancreatic hormone amylin
- BRetatrutideTrackedTriple GIP, GLP-1 and glucagon receptor agonist
- ASemaglutideTrackedGLP-1 receptor agonist
- ASetmelanotideMC4 receptor agonist
- ATirzepatideTrackedDual GIP and GLP-1 receptor agonist
Healing & recovery
Skin & beauty
- CAcetyl hexapeptide-8 (Argireline)Neurotransmitter-inhibiting peptide, six amino acids
- AAfamelanotideSynthetic analogue of alpha-MSH (melanocortin receptor agonist)
- BCollagen peptidesHydrolyzed collagen: a mixture of small peptides from animal collagen
- CGHK-Cu (copper peptide)TrackedNatural tripeptide (glycine–histidine–lysine) bound to copper
- DMelanotan IISynthetic analogue of alpha-MSH (non-selective melanocortin agonist)
- CPalmitoyl pentapeptide-4 (Matrixyl)Signal peptide: five amino acids with an attached fatty-acid chain
Longevity & mitochondria
Immune system
Brain & mood
Hormones & growth
- ABremelanotideMelanocortin receptor agonist
- CECJC-1295Long-acting GHRH analogue (with or without "DAC")
- CEGHRP-2, GHRP-6 & hexarelinFirst-generation synthetic growth hormone–releasing peptides
- CIpamorelinSynthetic GHRP (ghrelin receptor agonist), five amino acids
- CKisspeptinNatural peptide hormone (kisspeptin-54 and shorter fragments such as kisspeptin-10)
- CSermorelinGHRH analogue (first 29 amino acids of natural GHRH)
- ATesamorelinSynthetic analogue of growth hormone–releasing hormone (GHRH)
Brand and code names
Find a peptide by the name you have seen.
| Name you may see | Peptide |
|---|---|
| Ozempic, Wegovy, Rybelsus | Semaglutide |
| Mounjaro, Zepbound | Tirzepatide |
| Victoza, Saxenda | Liraglutide |
| Symlin | Pramlintide |
| CagriSema | CagriSema (cagrilintide) |
| Reta, LY3437943 | Retatrutide |
| Egrifta | Tesamorelin |
| Forteo | Teriparatide & abaloparatide |
| Tymlos | Teriparatide & abaloparatide |
| Vyleesi, PT-141 | Bremelanotide |
| Imcivree | Setmelanotide |
| Scenesse, melanotan I | Afamelanotide |
| Forzinity, SS-31 | Elamipretide |
| TB-500 | TB-500 / thymosin beta-4 |
| Zadaxin, thymalfasin | Thymosin alpha-1 |
| Copper peptide | GHK-Cu (copper peptide) |
| Matrixyl | Palmitoyl pentapeptide-4 (Matrixyl) |
| Argireline, acetyl hexapeptide-3 | Acetyl hexapeptide-8 (Argireline) |
| Emideltide | DSIP (emideltide) |
| Epithalon | Epitalon |
Go deeper
All 34 peptides in one book
Every profile: what it is, the key studies, the evidence grade and where it stands in 2026.
Coming soonPeptilex – The Honest GLP-1 HandbookSemaglutide, tirzepatide and the new pills, explained for adults over 50.